actube/src/cw/cw_write_descriptor_subelem.c
2022-08-13 09:47:12 +02:00

54 lines
1.2 KiB
C

#include "val.h"
#include "keys.h"
#include "log.h"
#include "cw.h"
#include "dbg.h"
#include "cfg.h"
int cw_write_descriptor_subelem (uint8_t *dst, cw_Cfg_t * cfg,
int subelem_id, const char * parent_key )
{
char key[256];
uint32_t vendor;
bstr16_t version;
const char *vendor_s;
uint8_t *d;
/* d += cw_put_dword(d, bstrv_get_vendor_id(v));
d += cw_put_dword(d, (subelem_id << 16) | bstrv_len(v));
d += cw_put_data(d, bstrv_data(v), bstrv_len(v));
*/
sprintf (key, "%s/%s", parent_key, CW_SKEY_VENDOR);
vendor_s = cw_cfg_get (cfg, key, NULL);
if (vendor_s == NULL) {
cw_log (LOG_ERR, "Can't put subelem %s, no value of type Dword found.", key);
return 0;
}
vendor = atoi(vendor_s);
sprintf (key, "%s/%s", parent_key, CW_SKEY_VERSION);
version = cw_cfg_get_bstr16 (cfg, key, NULL);
if (version == NULL) {
cw_log (LOG_ERR, "Can't put subelem %s, no value of type Bstr16 found.", key);
return 0;
}
d = dst;
/* put vendor */
d += cw_put_dword(d, vendor); //->type->put (vendor, d);
/* put version */
d += cw_put_dword (d, (subelem_id << 16) | bstr16_len(version));
d += cw_put_bstr16(d, version);
free(version);
return d-dst;
}